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Observation of the decay B‾s0→ψ(2S)K+π−

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Title: Observation of the decay B‾s0→ψ(2S)K+π−
Authors: Aaij, R
Adeva, B
Adinolfi, M
Affolder, A
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Ali, S
Alkhazov, G
Alvarez Cartelle, P
Alves, AA
Amato, S
Amerio, S
Amhis, Y
An, L
Anderlini, L
Anderson, J
Andreotti, M
Andrews, JE
Appleby, RB
Aquines Gutierrez, O
Archilli, F
Artamonov, A
Artuso, M
Aslanides, E
Auriemma, G
Baalouch, M
Bachmann, S
Back, JJ
Badalov, A
Baesso, C
Baldini, W
Barlow, RJ
Barschel, C
Barsuk, S
Barter, W
Batozskaya, V
Battista, V
Bay, A
Beaucourt, L
Beddow, J
Bedeschi, F
Bediaga, I
Bel, LJ
Belyaev, I
Ben-Haim, E
Bencivenni, G
Benson, S
Benton, J
Berezhnoy, A
Bernet, R
Bertolin, A
Bettler, M-O
Van Beuzekom, M
Bien, A
Bifani, S
Bird, T
Bizzeti, A
Blake, T
Blanc, F
Blouw, J
Blusk, S
Bocci, V
Bondar, A
Bondar, N
Bonivento, W
Borghi, S
Borsato, M
Bowcock, TJV
Bowen, E
Bozzi, C
Braun, S
Brett, D
Britsch, M
Britton, T
Brodzicka, J
Brook, NH
Bursche, A
Buytaert, J
Cadeddu, S
Calabrese, R
Calvi, M
Calvo Gomez, M
Campana, P
Campora Perez, D
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carniti, P
Carson, L
Carvalho Akiba, K
Casanova Mohr, R
Casse, G
Cassina, L
Castillo Garcia, L
Cattaneo, M
Cauet, C
Cavallero, G
Cenci, R
Charles, M
Charpentier, P
Chefdeville, M
Chen, S
Cheung, S-F
Chiapolini, N
Chrzaszcz, M
Cid Vidal, X
Ciezarek, G
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Coco, V
Cogan, J
Cogneras, E
Cogoni, V
Cojocariu, L
Collazuol, G
Collins, P
Comerma-Montells, A
Contu, A
Cook, A
Coombes, M
Coquereau, S
Corti, G
Corvo, M
Counts, I
Couturier, B
Cowan, GA
Craik, DC
Crocombe, AC
Cruz Torres, M
Cunliffe, S
Currie, R
D'Ambrosio, C
Dalseno, J
David, PNY
Davis, A
De Bruyn, K
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Silva, W
De Simone, P
Dean, C-T
Decamp, D
Deckenhoff, M
Del Buono, L
Déléage, N
Derkach, D
Deschamps, O
Dettori, F
Dey, B
Di Canto, A
Di Ruscio, F
Dijkstra, H
Donleavy, S
Dordei, F
Dorigo, M
Dosil Suárez, A
Dossett, D
Dovbnya, A
Dreimanis, K
Dujany, G
Dupertuis, F
Durante, P
Dzhelyadin, R
Dziurda, A
Dzyuba, A
Easo, S
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
Ekelhof, R
Eklund, L
El Rifai, I
Elsasser, C
Ely, S
Esen, S
Evans, HM
Evans, T
Falabella, A
Färber, C
Farinelli, C
Farley, N
Farry, S
Fay, R
Ferguson, D
Fernandez Albor, V
Ferrari, F
Ferreira Rodrigues, F
Ferro-Luzzi, M
Filippov, S
Fiore, M
Fiorini, M
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fol, P
Fontana, M
Fontanelli, F
Forty, R
Francisco, O
Frank, M
Frei, C
Frosini, M
Fu, J
Furfaro, E
Gallas Torreira, A
Galli, D
Gallorini, S
Gambetta, S
Gandelman, M
Gandini, P
Gao, Y
García Pardiñas, J
Garofoli, J
Garra Tico, J
Garrido, L
Gascon, D
Gaspar, C
Gastaldi, U
Gauld, R
Gavardi, L
Gazzoni, G
Geraci, A
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Ghez, P
Gianelle, A
Gianì, S
Gibson, V
Giubega, L
Gligorov, VV
Göbel, C
Golubkov, D
Golutvin, A
Gomes, A
Gotti, C
Grabalosa Gándara, M
Graciani Diaz, R
Granado Cardoso, LA
Graugés, E
Graverini, E
Graziani, G
Grecu, A
Greening, E
Gregson, S
Griffith, P
Grillo, L
Grünberg, O
Gui, B
Gushchin, E
Guz, Y
Gys, T
Hadjivasiliou, C
Haefeli, G
Haen, C
Haines, SC
Hall, S
Hamilton, B
Hampson, T
Han, X
Hansmann-Menzemer, S
Harnew, N
Harnew, ST
Harrison, J
He, J
Head, T
Heijne, V
Hennessy, K
Henrard, P
Henry, L
Hernando Morata, JA
Van Herwijnen, E
Heß, M
Hicheur, A
Hill, D
Hoballah, M
Hombach, C
Hulsbergen, W
Humair, T
Hussain, N
Hutchcroft, D
Hynds, D
Idzik, M
Ilten, P
Jacobsson, R
Jaeger, A
Jalocha, J
Jans, E
Jawahery, A
Jing, F
John, M
Johnson, D
Jones, CR
Joram, C
Jost, B
Jurik, N
Kandybei, S
Kanso, W
Karacson, M
Karbach, TM
Karodia, S
Kelsey, M
Kenyon, IR
Kenzie, M
Ketel, T
Khanji, B
Khurewathanakul, C
Klaver, S
Klimaszewski, K
Kochebina, O
Kolpin, M
Komarov, I
Koopman, RF
Koppenburg, P
Korolev, M
Kravchuk, L
Kreplin, K
Kreps, M
Krocker, G
Krokovny, P
Kruse, F
Kucewicz, W
Kucharczyk, M
Kudryavtsev, V
Kurek, K
Kvaratskheliya, T
La Thi, VN
Lacarrere, D
Lafferty, G
Lai, A
Lambert, D
Lambert, RW
Lanfranchi, G
Langenbruch, C
Langhans, B
Latham, T
Lazzeroni, C
Le Gac, R
Van Leerdam, J
Lees, J-P
Lefèvre, R
Leflat, A
Lefrançois, J
Leroy, O
Lesiak, T
Leverington, B
Li, Y
Likhomanenko, T
Liles, M
Lindner, R
Linn, C
Lionetto, F
Liu, B
Lohn, S
Longstaff, I
Lopes, JH
Lowdon, P
Lucchesi, D
Luo, H
Lupato, A
Luppi, E
Lupton, O
Machefert, F
Maciuc, F
Maev, O
Malde, S
Malinin, A
Manca, G
Mancinelli, G
Manning, P
Mapelli, A
Maratas, J
Marchand, JF
Marconi, U
Marin Benito, C
Marino, P
Märki, R
Marks, J
Martellotti, G
Martinelli, M
Martinez Santos, D
Martinez Vidal, F
Martins Tostes, D
Massafferri, A
Matev, R
Mathad, A
Mathe, Z
Matteuzzi, C
Mauri, A
Maurin, B
Mazurov, A
McCann, M
McCarthy, J
McNab, A
McNulty, R
Meadows, B
Meier, F
Meissner, M
Merk, M
Milanes, DA
Minard, M-N
Mitzel, DS
Molina Rodriguez, J
Monteil, S
Morandin, M
Morawski, P
Mordà, A
Morello, MJ
Moron, J
Morris, A-B
Mountain, R
Muheim, F
Müller, K
Mussini, M
Muster, B
Naik, P
Nakada, T
Nandakumar, R
Nasteva, I
Needham, M
Neri, N
Neubert, S
Neufeld, N
Neuner, M
Nguyen, AD
Nguyen, TD
Nguyen-Mau, C
Niess, V
Niet, R
Nikitin, N
Nikodem, T
Novoselov, A
O'Hanlon, DP
Oblakowska-Mucha, A
Obraztsov, V
Ogilvy, S
Okhrimenko, O
Oldeman, R
Onderwater, CJG
Osorio Rodrigues, B
Otalora Goicochea, JM
Otto, A
Owen, P
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Item Type: Journal Article
Abstract: The decay B 0 s → ψ( 2 S ) K + π − is observed using a data set corresponding to an integrated luminosity of 3 . 0fb − 1 collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV. The branching fraction relative to the B 0 → ψ( 2 S ) K + π − decay mode is measured to be B ( B 0 s → ψ( 2 S ) K + π − ) B ( B 0 → ψ( 2 S ) K + π − ) = 5 . 38 ± 0 . 36 ( stat ) ± 0 . 22 ( syst ) ± 0 . 31 ( f s / f d ) % , where f s / f d indicates the uncertainty due to the ratio of probabilities for a b quark to hadronise into a B 0 s or B 0 meson. Using an amplitude analysis, the fraction of decays proceeding via an intermediate K ∗ ( 892 ) 0 meson is measured to be 0 . 645 ± 0 . 049 ( stat ) ± 0 . 049 ( syst ) and its longitudinal polarisation fraction is 0 . 524 ± 0 . 056 ( stat ) ± 0 . 029 ( syst ) . The relative branching fraction for this component is determined to be B ( B 0 s → ψ( 2 S ) K ∗ ( 892 ) 0 ) B ( B 0 → ψ( 2 S ) K ∗ ( 892 ) 0 ) = 5 . 58 ± 0 . 57 ( stat ) ± 0 . 40 ( syst ) ± 0 . 32 ( f s / f d ) % . In addition, the mass splitting between the B 0 s and B 0 mesons is measured as M ( B 0 s ) − M ( B 0 ) = 87 . 45 ± 0 . 44 ( stat ) ± 0 . 09 ( syst ) MeV / c 2 .
Issue Date: 30-Jul-2015
Date of Acceptance: 16-Jun-2015
URI: http://hdl.handle.net/10044/1/61017
DOI: https://dx.doi.org/10.1016/j.physletb.2015.06.038
ISSN: 0370-2693
Publisher: Elsevier
Start Page: 484
End Page: 494
Journal / Book Title: Physics Letters B
Volume: 747
Copyright Statement: © 2015 CERN for the benefit of the LHCb Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/ ). Funded by SCOAP 3.
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/K001604/1
Keywords: hep-ex
0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics
Nuclear & Particles Physics
Notes: publisher: Elsevier articletitle: Observation of the decay journaltitle: Physics Letters B articlelink: http://dx.doi.org/10.1016/j.physletb.2015.06.038 content_type: article copyright: Copyright © 2015 CERN for the benefit of the LHCb Collaboration. Published by Elsevier B.V.
Publication Status: Published
Open Access location: http://doi.org/10.1016/j.physletb.2015.06.038
Online Publication Date: 2015-06-17
Appears in Collections:Physics
High Energy Physics



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